Bartonella bacilliformis causes a biphasic illness in the Andean valleys of Peru. Which vector transmits it?
Answer and explanation
Correct answer: D. Female Lutzomyia sand flies that bite at dusk and night
- Step 1: Carrion disease has an acute haemolytic phase (Oroya fever) and a later skin phase (verruga peruana). Step 2. The bacterium is transmitted by sand flies of the genus Lutzomyia. Answer: Lutzomyia sand flies. Why not the others: Aedes transmits dengue, triatomines transmit Trypanosoma cruzi, and Anopheles transmits Plasmodium.
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